Change Time Machine Storage Location

I currently back up two computer to a network disk [Disk A]. I want to switch the Time Machine backups to a different network drive [Drive B] without losing any of the current Time Machine history. How do I do this? Whenever I have tried to do this in the past the Time Machine only goes back to the day that I switched the backup location.

If your TM backups are on a USB or F/W drive attached to an Airport Extreme, or another Mac on the same local network, you can duplicate the TM backups on one drive/partition to another, via the Restore tab of Disk Utility (in your Applications/Utilities folder).
You must connect both drives directly to the same Mac at the same time, do the restore, then rename one of the drives (DU will also duplicate the name) and select (or re-select) the new one via TM Preferences.
Otherwise, when you start TM to a new destination, it will start fresh with a new, full backup.
Message was edited by: Pondini

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    Message was edited by: Waddo1

    Waddo1 wrote:
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    I know this post is old but this has recently cropped up for me. I have been backing up with Time Machine for months without a single alert. It started happening after I replaced the failed battery on my RAID card. A coincidence...however the prolonged down time surely caused an SMC (and perhaps PRAM) reset which I assume triggered the change in behavior.
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    http://support.apple.com/kb/ht5139
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    drwxr-xr-x@  2 root  admin    68  4 Jun 14:44 (null)
    drwxr-xr-x@ 14 root  admin   476  4 Jun 14:44 .
    drwxrwxr-t@ 43 root  admin  1462  4 Jun 14:43 ..
    -rw-r--r--@  1 root  admin    37  4 Jun 14:44 .serverBackupSignature
    drwxr-xr-x@  2 root  admin    68  4 Jun 14:44 addressBookServer
    drwxr-xr-x@  2 root  admin    68  4 Jun 14:44 calendarServer
    drwxr-xr-x@  5 root  admin   170  4 Jun 14:44 iChatServer
    drwxr-xr-x@  6 root  admin   204  4 Jun 14:44 mailServer
    -rw-r--r--@  1 root  admin  3826  4 Jun 14:44 master.browse.plist
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    drwxr-xr-x@ 23 root  admin   782  4 Jun 14:44 sharePoints
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    drwxr-xr-x@  2 root  admin    68  4 Jun 14:44 wikiServer
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    drwxr-xr-x@ 14 root  admin       476  4 Jun 15:33 ..
    -rw-rw----@  1 root  admin  41947136  4 Jun 15:32 ServerBackup_OpenDirectoryMaster.sparseimage
    -rw-r--r--@  1 root  admin       249  4 Jun 15:32 openDirectory.browse.plist
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    Jun  4 16:00:56 yourservername com.apple.backupd[25117]: Starting standard backup
    Jun  4 16:00:56 yourservername com.apple.backupd[25117]: Backing up to: /Volumes/YourBackupVolume/Backups.backupdb
    Jun  4 16:00:56 yourservername servermgrd[75]: servermgr_backup: TimeMachinePreBackupHook called.
    Jun  4 16:09:26 yourservername servermgrd[75]: servermgr_backup: TimeMachinePreBackupHook done.
    Jun  4 16:09:44 yourservername com.apple.backupd[25117]: No pre-backup thinning needed: 4.60 GB requested (including padding), 8.40 GB available
    Jun  4 16:10:14 yourservername com.apple.backupd[25117]: Copied 744 files (364.4 MB) from volume YourBootDrive.
    Jun  4 16:10:14 yourservername com.apple.backupd[25117]: No pre-backup thinning needed: 4.09 GB requested (including padding), 8.04 GB available
    Jun  4 16:10:17 yourservername com.apple.backupd[25117]: Copied 87 files (877 KB) from volume YourBootDrive.
    Jun  4 16:10:18 yourservername servermgrd[75]: servermgr_backup: TimeMachinePostBackupHook called.
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    Jun  4 16:10:29 yourservername com.apple.backupd[25117]: Backup completed successfully.
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    serveradmin$ tail /private/var/log/hwmond.log
    Tue Jun  4 16:08:36 BST 2013 - Number of drives change from 4 to 5.
    Tue Jun  4 16:08:48 BST 2013 - Number of drives change from 5 to 4.
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    Scot

  • Using MacMini for Time Machine Storage & Work?

    I have recently got my brand new Macbook Pro and absolutely love it!
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  • Change time machine backup rate

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  • Change Time Machine backing up times?

    Is there a way to either i) have Time Machine back up at night or ii) have it back up less frequently than every hour. I can hear the thing going on in the background all day long and it's beginning to get a bit annoying.

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    Both the Terminal process and TimeMachineScheduler app are listed in this article:
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